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Schwagerispira subcircularis

Rhynchonellata - Athyridida - Neoretziidae

Taxonomy
Neoretzia subcircularis was named by Yang and Xu (1966). It is a 3D body fossil. Its type locality is Yinshanpo KC xC, Qingyan, which is in a Pelsonian/Illyrian marine shale/marl in the Qingyan Formation of China.

It was recombined as Schwagerispira subcircularis by Sun and Ye (1982), Xu and Liu (1983), Guo et al. (2019).

Synonymy list
YearName and author
1966Neoretzia subcircularis Yang and Xu p. 72 figs. Pl 11, figs 7,8; text-figs 70,71
1978Neoretzia subcircularis Feng and Jiang p. 279 figs. Pl 101, fig 19
1982Schwagerispira subcircularis Sun and Ye p. 165 figs. Pl 3, figs 1-4
1983Schwagerispira subcircularis Xu and Liu p. 128 figs. Pl 11, figs 8a-10b
2019Schwagerispira subcircularis Guo et al.

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
—Lophophorata
—PanbrachiopodaCarlson and Cohen 2020
phylumBrachiopodaCuvier 1805
RankNameAuthor
subphylumRhynchonelliformeaWilliams et al. 1996
classRhynchonellataWilliams et al. 1996
orderAthyrididaBoucot et al. 1964
suborderRetziidinaBoucot et al. 1964
superfamilyRetzioideaWaagen 1883
familyNeoretziidaeDagis 1972
subfamilyHustediinaeGrunt 1986
genusSchwagerispiraDagys 1972
speciessubcircularis()

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

†Schwagerispira subcircularis Yang and Xu 1966
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Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
shell height65.485.006.505.450.551

Composition: low Mg calcitep
Environment: marineuc
Locomotion: stationarysubo
Attached: yessubo
Life habit: low-level epifaunalsubo
Diet: suspension feedersubo
Vision: blindc
Created: 2018-11-10 18:06:56
Modified: 2018-11-10 18:06:56
Source: subo = suborder, c = class, p = phylum, uc = unranked clade
References: Nesnidal et al. 2013, Aberhan et al. 2004

Age range: base of the Aegean to the top of the Illyrian or 246.70000 to 241.46400 Ma

Collections (8 total)


Time interval Ma Country or state Original ID and collection number
Aegean - Bithynian246.7 - 244.24China (Qinghai) Schwagerispira subcircularis (107713)
Pelsonian - Illyrian244.24 - 241.464China (Guizhou) Neoretzia subcircularis (152027 152032 152038 152039) Schwagerispira subcircularis (31614 206771)
Pelsonian - Illyrian244.24 - 241.464China (Yunnan) Schwagerispira subcircularis (206770)